Growth hormone, insulin-like growth factors, and IGF binding proteins

Clifford J. Rosen, Shoshana Yakar

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Growth hormone and insulin-like growth factors are essential for longitudinal growth and maintenance of the mammalian skeleton. These recombinant proteins are used to treat short stature and other growth defects in children. Additionally, rhGH is now an established part of the treatment algorithm for pituitary insufficiency. But neither growth hormone nor IGF-I is approved for the treatment of osteoporosis. In part this is because the skeletal effects of growth hormone and IGF-I are complex, temporal, and cell specific. Their actions include stimulation of bone formation, recruitment of osteoblasts and osteoclasts, and targeted changes in the osteocyte. In addition, IGF-I is essential for the anabolic effect of parathyroid hormone on bone, and its signaling nodes interact with other major anabolic factors such as the Wnts and BMPs. IGF-I may also be important in regulating substrate metabolism, and in particular, glycolysis in osteoblasts. This review focuses on the systemic and local actions of growth hormone, insulin-like growth factors, and their binding proteins and proteases.

Original languageEnglish (US)
Title of host publicationPrinciples of Bone Biology
PublisherElsevier
Pages985-1015
Number of pages31
ISBN (Electronic)9780128148419
DOIs
StatePublished - Jan 1 2019

Keywords

  • Binding protein
  • Bone
  • Growth hormone
  • Insulin-like growth factor
  • Parathyroid
  • Proteases

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

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